Craftsman 247.881721 - Lubrication

Lubrication "I
GearShaft
Thegear(hex)shaftshouldbelubricatedatleastonceaseasonorafterevery25
hoursof operation.
I. Topreventspillage,removeallfuelfromtankbyrunningengineuntil it
stops.
2. Carefullypivotthesnowthrowerupandforwardsothat it restsontheauger
housing.
3. Removethelowerframecoverfromtheundersideof thesnowthrowerby
removingtheself-tappingscrewswhichsecureit.
4. Applya lightcoatingofengineoil(or3-in-1oil)tothehexshaft.SeeFigure
16.
NOTE:Whenlubricatingthe hexshaft,becarefulnotto getanyoilonthealuminum
driveplateorrubberfrictionwheel.Doingsowill hinderthesnowthrower'sdrive
system.Wipeoffanyexcessorspilledoil.
Wheels
Atleastonceaseason,removebothwheels.Cleanandcoattheaxleswitha
multipurposeautomotivegreasebeforereinstallingwheels.
ChuteDirectional Control
Onceaseason,lubricatetheeyeboltbushingandthespiralwith 3-in-1oil.
AugerShaft
Atleastonceaseason,removetheshearpinsonaugershaft.Spraylubricantinside
shaft,andaroundthespacersandflangebearingsfoundat eitherendof theshaft.
SeeFigure17.
ShavePlateand Skid Shoes
Theshaveplateandskidshoesonthebottomofthesnowthroweraresubjectto
wear.Theyshouldbecheckedperiodkallyandreplacedwhennecessary.
flOTE:Theskidshoesonthismachinehavetwo wearedges.Whenonesidewears
out,theycanberotated180°tousetheotheredge.
Toremoveskidshoes:
Removethetwocarriagebolts,washers,andhexflangenutsthatsecure
eachskidshoetothesnowthrower.
2. Reassemblenewskidshoeswith thefourcarriagebolts(twooneachside),
washers,andhexflangenuts.Referto Figure18.
Toremoveshaveplate:
1. Removethecarriageboltsandhexnutswhichattachit tothesnowthrower
housing.
2. Reassemblenewshaveplate,makingsureheadsofcarriageboltsareto the
insideof housing.Tightensecurely.SeeFigure18.
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Figure16
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Figure17
NOTE:Angers not shown for clarity.
4_
Figure18
18